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This paper presents a mathematical model based on continuous time Markov chain for performing availability and reliability analysis of a repairable system consisting of n components. It also describes a methodology for identifying a critical component based on continuous-time Markov chain state probabilities of an n-component repairable and non-repairable system. As an illustration, a 3-component...
An array-based Plasma-Induced Damage (PID) characterization circuit with various antenna structures is proposed for efficient collection of massive PID breakdown statistics. The proposed circuit reduces the stress time and test area by a factor proportional to the number of Devices Under Test (DUTs). Measured Weibull statistics from a 12-24 array implemented in 65nm show that DUTs with plate type...
Electromigration (EM) is a traditional reliability concern, aggravated recently due to intense shrinking of wire sizes and the increase in the number of interconnections on a system-on-chip (SoC). Thereby, it challenges the state-of-the-art in design, physics, process and CAD processes. To that regard, we propose a new EM check method named Via Node Vector method. The conventional EM check ignores...
This paper describes a control scheme of speed sensorless direct torque control (DTC) of induction motor for electric vehicle (EV). Electric vehicle requires fast torque response and high efficiency of the drive. Speed sensorless DTC induction motor drives without mechanical speed sensors at the motor shaft have the attractions of low cost, quick response and high reliability in electric vehicle application...
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